Question

Simplify the following algebraic expressions:

-2(x-2b+1/2)

Possible answers:

A) 2x-4b+1
B) 2x+4b-1
C) -2x-4b-1
D) -2x+4b-1

Answer 1

`-x(x - 2b+ (1)/(2)) \\ \\ -2x + 4b - 1 \\ \\ Answer: \fbox {-2x + 4b - 1 (D)}`

Answer 2

`-2(x-2b+ (1)/(2))=-2*x+2*2b- (2)/(2)= -2x+4b-1`
So the correct answer would be D
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